talbot effect
傅立叶成像,自成像,泰保效应(Talbot Effect): 用单色光波垂直照射一个周期性物体(如透射光栅)时,在 物体的后面周期性距离上出现物体的像。
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我们通过一个极为简单的装置看到与泰保效应本质相同的自成像现象,并且发现可利用它十分简单地测量具有周期透过率函数物体的周期。
A self-imaging phenomenon whose nature is the same as Talbot effect has been observed using simple instruments, and the period of object with periodic transmittance has also been measured easily.
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